1. J. H. TWEED et al. ‘Measurement of friction for powder compaction modelling — a comparison between laboratories’, AEA Technology report AEAT — 3371, January 2000.
2. N. P. LAVERY, I. M. CAMERON, and D. T. GETHIN: ‘Sensitivity study on powder compaction’, AEA Technology report AEAT-4035, June 1998.